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Week 3

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 Week 3 17/2/2023 Attendance:  Shihao Mei, Wenhao Lin, Muyang Li, Yuming Jia, Lenghan Zhu, Keying Zhan g Activities: 1. Print the model and assemble; 2. Modify the code to complete the color sorting. The use of variable frequency timer interrupts to drive a four-step, eight-beat stepper motor, without the use of blocking interrupts, improves the real time performance of the control system. 3. A USB 2.0 communication circuit was built on the breadboard and the STM32 was configured as device. It could be recognized by the computer. 4. Communication protocols negotiated and completed.  Customised protocols 5. USB 2.0 communication tested successfully. 6. Further training while altering the model. Problems: 1. 3D printer malfuctioning; 2. We only have half of the mechanical components. 3. Abandonment of carrier board due to delays in 3D printed parts.
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Week2

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Week 2 10/2/2023 Attendance:  Shihao Mei, Wenhao Lin, Muyang Li, Yuming Jia, Lenghan Zhu, Keying Zhan g Activities: 1. Drive step motor and servo motor on BreadBoard; 2. Finish all circuit on BreadBoard; 3. Finish the struture of embeded code, completed arrangement of microcontroller pins. FreeRTOS operating system has been deployed. 4. Futher AI model training and coding; Datasets collection for 10000 pictures in total for 7 classes. 5. As the STM32 control board could not be soldered, we decided to reduce the number of flying wires by drawing a carrier board on top of the existing development board, which is only connected by connectors and can be plugged directly on top of the development board.  If we can receive the 3D printed parts next week, we will send them out to be machined, if not all the materials will be received, the carrier plate production will be abandoned in favour of a fly-by-wire finish using a breadboard. Carrier board assembly diagram Prob...
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